(1)CO 2 CaO + H 2O Ca(OH) 2
(2)CH 4+ 2O 2 点燃CO 2+ 2H 2O (3) Na 2CO 3 + 2HCl 2NaCl+ H 2O + CO 2↑
(4)Ca(OH) 2+ 2HCl CaCl 2 + 2H 2O (5)NaOH、NaOH和Ca(OH) 2、NaOH和Na 2CO 3
(1)CO 2 CaO + H 2O Ca(OH) 2
(2)CH 4+ 2O 2 点燃CO 2+ 2H 2O (3) Na 2CO 3 + 2HCl 2NaCl+ H 2O + CO 2↑
(4)Ca(OH) 2+ 2HCl CaCl 2 + 2H 2O (5)NaOH、NaOH和Ca(OH) 2、NaOH和Na 2CO 3